CN105569276A - Construction method capable of achieving double control on thickness of cast-in-situ concrete plate - Google Patents
Construction method capable of achieving double control on thickness of cast-in-situ concrete plate Download PDFInfo
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- CN105569276A CN105569276A CN201510944570.0A CN201510944570A CN105569276A CN 105569276 A CN105569276 A CN 105569276A CN 201510944570 A CN201510944570 A CN 201510944570A CN 105569276 A CN105569276 A CN 105569276A
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- vertical rod
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a construction method capable of achieving double control on thickness of a cast-in-situ concrete plate. The method comprises the following steps: (1) mounting a template support frame and a template and binding a permanent structure reinforcement cage; (2) welding measurement staffs on a column and a wall skeleton in the permanent structure reinforcement cage; (3) placing a movable measurement box staff and a level gauge on the upper plane of the template; (4) carrying out observation through the level gauge by measurement personnel, and rotating a nut of an adjustable jacking to ensure the bottom elevation of the template; and (5) after adjustment of the template is ended, starting concrete pouring, monitoring a special movable measurement device by the measurement personnel and lifting the template support frame through rotating the nut of the adjustable jacking, so that the template is driven to lift to the bottom elevation, and timely control on the thickness of the cast-in-situ concrete plate is achieved. The method of timely observing the bottom elevation of the template is also added, besides, the bottom elevation of the cast-in-situ concrete plate is controlled; and timely control on the thickness of the cast-in-situ concrete plate is achieved.
Description
Technical field
The present invention relates to the construction method of cast in place concrete plate, specifically a kind of construction method of dual control cast-in-place concrete board thickness.
Background technology
In current building operations, the application of reinforced concrete beam and plate is very extensive; According to " reinforced concrete works inspection of quality specification GB50204-2002(2011 version), there is strict requirement to the thickness of cast-in-place structural plate.But in practice of construction, except plate surface concrete strike off not in place there is the rough common fault of concrete plate surface except, also often there is the change of absolute altitude at the bottom of template because concreting blanking is uneven; Thus cast-in-place thickness of slab occurs exceed standard.
The concreting method of conventional armored concrete slab only on the post, wall cage of reinforcement of permanent structure, welds measuring stick, and on measuring stick, carry out absolute altitude control mark; When concreting, the mark according to measuring stick carries out bracing wire and utilizes the means such as mark post chi, and controls the floor elevation of cast-in-situ concrete.But during concreting, the change such as absolute altitude sinking at the bottom of the plate caused by heap carrying capacity but can not Timeliness coverage, and could find after form removal must be waited to complete.Therefore, need to solve the problems referred to above in the urgent need to a kind of control thickness of slab construction method newly.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of construction method of dual control cast-in-place concrete board thickness, the thickness of slab change caused can be changed by absolute altitude at the bottom of Timeliness coverage plate, thus guaranteeing the physical dimension of thickness of slab.
The present invention adopts following technical scheme: a kind of construction method of dual control cast-in-place concrete board thickness, comprise the following steps: (1) is according to the template of the cast-in-situ steel reinforced concrete Bars In Poured Concrete Slab of routine, reinforcement engineering construction, first the formwork-support of floor decks is installed, formwork-support is laid floor decks template, then colligation permanent structure cage of reinforcement, described formwork-support comprises some horizon bars and vertical rod, the upper end of described vertical rod is provided with the adjustable jack fixed by nut and vertical rod, (2) post in permanent structure cage of reinforcement, wall skeleton vertically welds overcasting staff, and carry out absolute altitude control mark, the reinforcement fabrication that described overcasting staff is not less than 1000 ㎜ by length forms, (3) the upper plane of the floor decks template of having laid in step (1) places movable measurement Sopwith staff and level gauge, on the vertical bar of movable measurement Sopwith staff, carry out the absolute altitude identical with on described overcasting staff to control to indicate simultaneously, (4) survey crew is observed by level gauge, with Walkie talkie, template regulating command is passed to form fixer, and ensure absolute altitude at the bottom of template by form fixer by the nut of the adjustable jack of vertical rod upper end in rotary template bracing frame, if during insufficient light, utilize infrared rays level gauge to observe, adjust absolute altitude at the bottom of template, (5) after template has adjusted, start concreting, in concreting process, mark is controlled according to the absolute altitude on overcasting staff, bracing wire controls the planeness in its concrete spreading face, survey crew observes the absolute altitude on the vertical mark post of movable measurement special-purpose device control mark by level gauge or infrared rays level gauge simultaneously, when finding the reading change of this bench mark, in time the regulating command of absolute altitude at the bottom of template is passed to form fixer, (6) form fixer accepts instruction, is elevated formwork-support by the nut of the adjustable jack of vertical rod upper end in rotary template bracing frame, thus band moving platen reaches the lifting of end absolute altitude, realizes the timely control that cast-in-situ reinforced concrete slab is thick.
Tool of the present invention has the following advantages: at the wall of permanent structure cage of reinforcement, post cage of reinforcement welds overcasting staff, and movable measurement special-purpose device is installed in template, level gauge and infrared rays level gauge, according to light condition, survey crew selects box-like level gauge or infrared rays level gauge, time before concreting with concreting, to level measurement at the bottom of the template of cast in place concrete plate, the change of Timeliness coverage steel concrete thickness of slab, assign the instruction of adjustment formwork elevation measuring, and then adjust adjustable jack in formwork-support in time, realize the control of steel concrete thickness of slab.This method had both met the physical dimension requirement of permanent structure plate, also eliminated the patch work amount in later stage, saved the consumption of labour.
Accompanying drawing explanation
Fig. 1 is that steel bar template engineering of the present invention completes figure;
Fig. 2 is that the present invention welds overcasting staff construction schematic diagram;
Fig. 3 is that the present invention installs movable measurement Sopwith staff schematic diagram;
Fig. 4 is installation infrared line level gauge schematic diagram of the present invention;
Fig. 5 is hookup wire level gauge schematic diagram of the present invention;
Fig. 6 is the enlarged drawing of Fig. 5;
1, permanent structure cage of reinforcement, 2, overcasting staff, 3, movable measurement Sopwith staff, 4, formwork-support, 5, adjustable jack nut, 6, floor decks template, 7, post, wall skeleton, 8, horizon bar, 9, vertical rod, 10, adjustable jack, 11, level gauge, 12, infrared rays level gauge.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described, but protection scope of the present invention is not limited thereto.
As shown in Figures 1 to 6, a kind of construction method of dual control cast-in-place concrete board thickness, comprise the following steps: (1) first installs the formwork-support 4 of floor decks, formwork-support 4 is laid floor decks template 6, then the permanent structure cage of reinforcement 1 such as colligation wall column beam slab, formwork-support 4 comprises some horizon bars 8 and vertical rod 9, the upper end of vertical rod 9 is provided with by adjustable jack nut 5 adjustable jack 10 fixing with vertical rod 9, (2) post in permanent structure cage of reinforcement 1, vertical welding overcasting staff 2 on wall skeleton 7, and carry out absolute altitude control mark, the reinforcement fabrication that overcasting staff is not less than 1000 ㎜ by length forms, (3) the upper plane of the floor decks template 6 of having laid in step (1) places movable measurement Sopwith staff 3(be directly placed in platform template) and level gauge 11, on the vertical bar of movable measurement Sopwith staff 3, carry out the absolute altitude identical with on described overcasting staff 2 to control to indicate simultaneously, on the vertical bar of movable measurement Sopwith staff 3, carry out the absolute altitude identical with on described overcasting staff to control to indicate simultaneously, (4) when bright and clear, survey crew is observed by the level gauge 11 that plane in floor decks template 6 is placed, with Walkie talkie, template regulating command is passed to form fixer, and ensure absolute altitude at the bottom of template by form fixer by rotating upright post 9 upper end adjustable jack nut 5, if ambient light according to time inadequate or unglazed according to time adopt infrared rays level gauge 12 to observe, adjust absolute altitude at the bottom of template, thus guarantee that form work engineering is passed through to check and accept, (5) after floor decks template 6 has adjusted, start concreting, in concreting process, mark is controlled according to the absolute altitude on overcasting staff, bracing wire controls the planeness in its concrete spreading face, survey crew observes the absolute altitude on the vertical mark post of movable measurement special-purpose device 3 control mark by level gauge or infrared rays level gauge simultaneously, when finding the reading change of this bench mark, in time the regulating command of absolute altitude at the bottom of template is passed to form fixer, (6) form fixer accepts instruction, is elevated formwork-support by the adjustable jack nut 5 of vertical rod upper end in rotary template bracing frame, thus band moving platen reaches the lifting of end absolute altitude, realizes the timely control that cast-in-situ reinforced concrete slab is thick.
Adopt on the wall, spinous process of the seventh cervical vertebra frame of permanent structure, install and measure bar, overcasting staff is carried out absolute altitude and controls mark, no matter what state is piled up in blanking to concrete, usual wall, the reinforcing bar of the vertical structures such as post can not occur to sink, therefore mark can be controlled according to the absolute altitude on reinforcing bar overcasting staff, bracing wire controls the planeness (usually using the distance of sample bar slotted line and concrete surface) in its concrete spreading face, timely adjustment plate surface concrete amount, control outside the absolute altitude of cast-in-situ reinforced concrete slab face, also add timely movable measurement special-purpose device, be piled up in during concrete discharging in platform template, after template load-bearing, there is the trend producing template and sink, the absolute altitude control criterion on the vertical mark post of movable measurement special-purpose device is observed by level gauge (using time bright and clear) or infrared rays level gauge (using during light difference), find the reading change of this bench mark, intuitively reflect the change of platform template absolute altitude.Find that distortion adjusts the adjustable jack nut of formwork-support vertical rod upper end immediately, thus control absolute altitude at the bottom of cast in place concrete plate.By two kinds of control methods of the absolute altitude of parametric controller formwork elevation measuring and concrete upper surface, strictly achieve the instant control that cast-in-situ reinforced concrete slab is thick, this method is simple to operate, method is reliable, timeliness is good.
Electrical welding operation workman, when the cage of reinforcement welding overcasting staff of permanent structure, must select to be convenient to measure and reinforcing bar good rigidity position carries out welding, weld length wants enough; When survey crew installs movable measurement special-purpose device, conventional level gauge and infrared rays level gauge in the template of permanent situ Concrete Slabs, must carry out and measure conveniently, carry out finished product protection; Survey crew, according to light condition, selects suitable level gauge or infrared rays level gauge; Before concreting and in building, survey crew should be monitored the absolute altitude in cast-in-situ reinforced concrete slab face respectively, reads survey data in time; And in time the deformation data of the formwork-support of discovery is supplied to policymaker; The absolute altitude of policymaker by assigning template operation workman to adjust plate soffit formwork in time, thus by the control of concealment acceptance and concrete floor absolute altitude, meanwhile, when concreting, also concrete plate surface absolute altitude to be measured.After having built, in cast-in-situ concrete, plane strikes off, and before initial set, movable measurement special-purpose device, level gauge, infrared rays level gauge is removed; Finally concrete surface is floating, press polish.
Claims (2)
1. the construction method of a dual control cast-in-place concrete board thickness, it is characterized in that: comprise the following steps: (1) first installs the formwork-support of floor decks, formwork-support is laid floor decks template, then colligation permanent structure cage of reinforcement, described formwork-support comprises some horizon bars and vertical rod, the upper end of described vertical rod is provided with the adjustable jack fixed by nut and vertical rod, (2) post in permanent structure cage of reinforcement, wall skeleton vertically welds overcasting staff, and carry out absolute altitude control mark, (3) the upper plane of the floor decks template of having laid in step (1) places movable measurement Sopwith staff and level gauge, on the vertical bar of movable measurement Sopwith staff, carry out the absolute altitude identical with on described overcasting staff to control to indicate simultaneously, (4) survey crew is observed by level gauge, template regulating command is passed to form fixer, and ensure absolute altitude at the bottom of template by form fixer by the nut of the adjustable jack of vertical rod upper end in rotary template bracing frame, (5) after template has adjusted, start concreting, in concreting process, mark is controlled according to the absolute altitude on overcasting staff, bracing wire controls the planeness in its concrete spreading face, survey crew observes the absolute altitude on the vertical mark post of movable measurement special-purpose device control mark by level gauge or infrared rays level gauge simultaneously, when finding the reading change of this bench mark, in time the regulating command of absolute altitude at the bottom of template is passed to form fixer, (6) form fixer accepts instruction, is elevated formwork-support by the nut of the adjustable jack of vertical rod upper end in rotary template bracing frame, thus band moving platen reaches the lifting of end absolute altitude, realizes the timely control that cast-in-situ reinforced concrete slab is thick.
2. the construction method of a kind of dual control cast-in-place concrete board thickness according to claim 1, it is characterized in that: in step (4), when insufficient light, survey crew is observed by infrared rays level gauge, template regulating command is passed to form fixer, and ensures absolute altitude at the bottom of template by form fixer by the nut of the adjustable jack of vertical rod upper end in rotary template bracing frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510944570.0A CN105569276A (en) | 2015-12-17 | 2015-12-17 | Construction method capable of achieving double control on thickness of cast-in-situ concrete plate |
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| CN201510944570.0A CN105569276A (en) | 2015-12-17 | 2015-12-17 | Construction method capable of achieving double control on thickness of cast-in-situ concrete plate |
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| CN105569276A true CN105569276A (en) | 2016-05-11 |
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| CN201510944570.0A Pending CN105569276A (en) | 2015-12-17 | 2015-12-17 | Construction method capable of achieving double control on thickness of cast-in-situ concrete plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284789A (en) * | 2016-08-30 | 2017-01-04 | 重庆建工第九建设有限公司 | For controlling the construction technology of cast-in-situ floor Forming Quality |
| CN110107068A (en) * | 2019-05-13 | 2019-08-09 | 中国十七冶集团有限公司 | A kind of floor tile flatness and absolute altitude sub-controlling unit and method |
| CN111075213A (en) * | 2020-01-15 | 2020-04-28 | 中冶建工集团有限公司 | Construction method for floor elevation control |
| CN112160605A (en) * | 2020-10-15 | 2021-01-01 | 中铁八局集团第三工程有限公司 | A scale for concrete thickness, elevation and roughness control |
| CN113322739A (en) * | 2021-05-25 | 2021-08-31 | 中建五局土木工程有限公司 | Terrace pouring construction method |
Citations (5)
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|---|---|---|---|---|
| JPH07331879A (en) * | 1994-06-02 | 1995-12-19 | Tetsuya Matsushima | Floor level |
| CN102094532A (en) * | 2010-12-14 | 2011-06-15 | 中国建筑一局(集团)有限公司 | Measurement control method for building construction horizontal component size |
| CN103912127A (en) * | 2014-03-26 | 2014-07-09 | 东莞市建之都建设工程有限公司 | Building formwork or floor slab construction control method and special straightedge |
| CN204676904U (en) * | 2015-04-28 | 2015-09-30 | 中国二十冶集团有限公司 | Large area concrete concrete floor slab placement thickness control device |
| CN204781624U (en) * | 2015-06-23 | 2015-11-18 | 中兴建设有限公司 | Floor elevation and roughness controlling means |
-
2015
- 2015-12-17 CN CN201510944570.0A patent/CN105569276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07331879A (en) * | 1994-06-02 | 1995-12-19 | Tetsuya Matsushima | Floor level |
| CN102094532A (en) * | 2010-12-14 | 2011-06-15 | 中国建筑一局(集团)有限公司 | Measurement control method for building construction horizontal component size |
| CN103912127A (en) * | 2014-03-26 | 2014-07-09 | 东莞市建之都建设工程有限公司 | Building formwork or floor slab construction control method and special straightedge |
| CN204676904U (en) * | 2015-04-28 | 2015-09-30 | 中国二十冶集团有限公司 | Large area concrete concrete floor slab placement thickness control device |
| CN204781624U (en) * | 2015-06-23 | 2015-11-18 | 中兴建设有限公司 | Floor elevation and roughness controlling means |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284789A (en) * | 2016-08-30 | 2017-01-04 | 重庆建工第九建设有限公司 | For controlling the construction technology of cast-in-situ floor Forming Quality |
| CN106284789B (en) * | 2016-08-30 | 2018-09-28 | 重庆建工第九建设有限公司 | Construction technology for controlling cast-in-situ floor Forming Quality |
| CN110107068A (en) * | 2019-05-13 | 2019-08-09 | 中国十七冶集团有限公司 | A kind of floor tile flatness and absolute altitude sub-controlling unit and method |
| CN111075213A (en) * | 2020-01-15 | 2020-04-28 | 中冶建工集团有限公司 | Construction method for floor elevation control |
| CN112160605A (en) * | 2020-10-15 | 2021-01-01 | 中铁八局集团第三工程有限公司 | A scale for concrete thickness, elevation and roughness control |
| CN113322739A (en) * | 2021-05-25 | 2021-08-31 | 中建五局土木工程有限公司 | Terrace pouring construction method |
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Application publication date: 20160511 |